DEPENDENCE OF POTATO TUBERS YIELD ON FOLIAR FERTILIZATION WITH MICROFERTILIZERS
Journal Title: Наукові доповіді НУБіП України - Year 2018, Vol 2, Issue 2
Abstract
The article presents the results of the influence of foliar fertilization with microfertilizers on the productivity of potato tubers in the conditions of the Right Bank Forest- steppe of Ukraine. According to the research results, the highest yield was obtained from the use of microfertilizer - Reakom. The most effective rate for introducing the studied variants is the norm of 4.50 kg / ha, while the yield of the Alladin variety was 39.9 tons / ha, which is 5.1 tons/ha higher than the control variant. Similar indicators are for the Dar variety, on average for three years, it was yielded 41.9 t / ha, which is above the control by 4.0 t / ha. Somewhat lower yields of root crops are noted when introduced microfertilizers Cristalon special and Rozasol with different rates of application. The correlation- regression analysis made it possible to construct the dependence of the level of potato tuber yield on the fertilization with microfertilizers y = -0.475x2 + 3.355x + 33.47; y = -0.1786x2 + 1.9214x + 33.85; y = -0.7143x2 + 4.9257x + 29.61. Thus, the obtained models of potato tuber yields and their microfertility rates indicate that the most effective rules for foliar application are: Reakom - 4.50 kg / ha, Cristalon - 2.50 kg / ha, Rozasol - 2.50 kg / ha in the phase of budding - flowering.
Authors and Affiliations
R. O. Myalkovsky
Keywords
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